13 (one shot by the author of Gintama)Crows (perhaps the most popular delinquent manga, a little overrated perhaps)Doushirou de Gozaru (by Nishimori Hiroyuki, about a Japanese boy who was raised in USA in a Edo period samurai style who returns to Japan)Gokusen (daughter of a yakuza boss as a all boys high school teacher)GTO (ex-bouzouzoku head as a high school teacher, a classic)Kyou kara Ore wa!! (Nishimori Hiroyuki, though perhaps not as popular as GTO and Crows, this is the delinquent high school comedy manga, a classic must read)Midori no Hibi (a delinquent who has a girl with a crush to him take the place of his hand)Ocha Nigosu (Nishimori Hiroyuki, about a kind but misunderstood boy who is the most feared high school delinquent)Rokudenashi BLUES (a delinquent who wants to become a pro boxer—less boxing, more the usual high school delinquent stuff, a classic)Rookies (high school delinquents start a baseball club, by the same author as Rokudenashi BLUES)Sakigake!! Cromartie Koukou (a classic gag manga centering on all boys delinquent high school, must read)